title1 'Customer Satisfaction Survey'; title2 'Stratified Sampling'; proc surveyselect data=Customers method=srs n=15 seed=1953 out=SampleStrata; strata State Type; run; Figure 63.5 displays the ...
The selection probability for each unit equals n/N. When you request stratified sampling with a STRATA statement, PROC SURVEYSELECT selects samples independently within strata. The selection ...
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